Mid Level SCADA / PLC Programmer

Overview

Carollo Engineers is an internationally recognized environmental engineering firm that specializes in the planning, design, and construction of water and wastewater facilities. We are looking for a SCADA / PLC Programmer to design, develop, and troubleshoot control systems that seamlessly integrate with plant operations, driving improved efficiency, reliability, and performance.

At Carollo, you'll make a meaningful impact by contributing to projects that matter. We foster a collaborative and inclusive team culture where diversity is celebrated, and every individual feels valued. You'll work alongside a passionate, driven team of professionals committed to excellence. As we strive to be the leading water consulting firm, you'll also find Carollo is the best place to grow your career.

This posting is scheduled to expire on 02 / 28 / 2026 if the position has not been filled prior to that date.

Responsibilities

• Design, develop, and implement SCADA and PLC control systems for water and wastewater treatment processes
• Program, test, and troubleshoot PLCs (Allen Bradley, Schneider, Siemens, etc.) to control various plant equipment and processes
• Develop HMI applications for operator interfaces, including configuring graphics, alarms, and data trends to support plant operations
• Maintain and modify existing SCADA systems, ensuring efficient and reliable performance across all operational systems
• Collaborate with engineering teams to develop system specifications and requirements, integrating automation solutions with mechanical, electrical, and process systems
• Perform system testing, simulation, and commissioning of SCADA and PLC systems in new installations or upgrades
• Diagnose and resolve control system issues, providing technical support for system malfunctions or operational problems
• Participate in field service and commissioning activities, ensuring proper implementation of control strategies and seamless system startup
• Document control system designs and configurations, including wiring diagrams, PLC logic, and HMI screen layouts
• Stay updated on industry trends and technology advancements, applying knowledge to continuously improve system functionality and efficiency

Qualifications

Preferred Qualifications

Pay Range

$85,000 to $145,000 annually. This is the lowest to highest salary we in good faith believe we would pay for this role at the time of this posting. We may ultimately pay more or less than the posted range, and the range may be modified in the future. An employee's pay within the salary range will be based on several factors including, but limited to, relevant education, qualifications, certifications, experience, skills, seniority, geographic location, performance, and business or organizational needs.

Other Compensation and Benefits

Carollo is committed to providing employees with a competitive, comprehensive benefits program that provides the support employees and their families need to lead healthy, productive lives. Carollo's benefits package includes paid time off and holidays, comprehensive health insurance coverage, pre-tax savings account options for healthcare, dependent care and commuter expenses, disability insurance and life insurance options for you and your dependents. We also offer free Caregiver Support, Travel Assistance, counseling services, discount programs, and a Lifestyle Reimbursement Account. Other compensation that may be available includes : 401(k) company contribution matching, tuition reimbursement, discretionary bonuses, career advancement bonuses, professional registration bonuses, employee referral bonuses, and compensatory time for exempt employees. Flexible work arrangements may also be available. Eligibility for benefits varies based on employment status.

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